Metal injection molded ammunition cartridge

A metal injection molded ammunition cartridge comprising:

• a metal injection molded case molded from a metal composition comprising
• a nose end connection extending toward a base end to form a portion of a propellant chamber, wherein the nose end comprises a projectile aperture adapted to hold a projectile;
• a primer recess in the base end adapted to accept a primer;
• and
• a flash hole positioned in the primer recess to pass through the base end into the propellant chamber, wherein the metal injection molded case is a single unitary case and the metal composition consists of stainless steel, ceramic alloys, copper/cobalt/nickel/alloys, tungsten, carballoy, ferro-tungsten, titanium, copper, cobalt, nickel, alumina oxide, zirconia or aluminum, wherein the metal injection molded ammunition cartridge consists of 2-16% Ni;
• 10-20% Cr;
• 0-5% Mo;
• 0-0.6% C;
• 0-6.0% Cu;
• 0-0.5% Nb+Ta;
• 0-4.0% Mn;
• 0-2.0% Si and the balance Fe;
• 2-6% Ni;
• 13.5-19.5% Cr;
• 0-0.10% C;
• 1-7.0% Cu;
• 0.05-0.65% Nb+Ta;
• 0-3.0% Mn;
• 0-3.0% Si and the balance Fe;
• 3-5% Ni;
• 15.5-17.5% Cr;
• 0-0.07% C;
• 3-5.0% Cu;
• 0.15-0.45% Nb+Ta;
• 0-1.0% Mn;
• 0-1.0% Si and the balance Fe;
• 10-14% Ni;
• 16-18% Cr;
• 2-3% Mo;
• 0-0.03% C;
• 0-2% Mn;
• 0-1% Si and the balance Fe;
• 12-14% Cr;
• 0.15-0.4% C;
• 0-1% Mn;
• 0-1% Si and the balance Fe;
• 16-18% Cr;
• 0-0.05% C;
• 0-1% Mn;
• 0-1% Si and the balance Fe;
• 3-12% aluminum, 2-8% vanadium, 0.1-0.75% iron, 0.1-0.5% oxygen, and the remainder titanium;
• or 6% aluminum, about 4% vanadium, about 0.25% iron, about 0.2% oxygen, and the remainder titanium.

A metal injection molded ammunition cartridge comprising:

• a metal injection molded mid case molded from a metal composition comprising a nose end connection extending toward a base end to form a portion of a propellant chamber;
• a primer recess adapted to accept a primer positioned in the base end;
• and
• a flash hole positioned in the primer recess to pass through the base end into the propellant chamber, wherein the metal injection molded ammunition cartridge consists of 2-16% Ni;
• 10-20% Cr;
• 0-5% Mo;
• 0-0.6% C;
• 0-6.0% Cu;
• 0-0.5% Nb+Ta;
• 0-4.0% Mn;
• 0-2.0% Si and the balance Fe;
• 2-6% Ni;
• 13.5-19.5% Cr;
• 0-0.10% C;
• 1-7.0% Cu;
• 0.05-0.65% Nb+Ta;
• 0-3.0% Mn;
• 0-3.0% Si and the balance Fe;
• 3-5% Ni;
• 15.5-17.5% Cr;
• 0-0.07% C;
• 3-5.0% Cu;
• 0.15-0.45% Nb+Ta;
• 0-1.0% Mn;
• 0-1.0% Si and the balance Fe;
• 10-14% Ni;
• 16-18% Cr;
• 2-3% Mo;
• 0-0.03% C;
• 0-2% Mn;
• 0-1% Si and the balance Fe;
• 12-14% Cr;
• 0.15-0.4% C;
• 0-1% Mn;
• 0-1% Si and the balance Fe;
• 16-18% Cr;
• 0-0.05% C;
• 0-1% Mn;
• 0-1% Si and the balance Fe;
• 3-12% aluminum, 2-8% vanadium, 0.1-0.75% iron, 0.1-0.5% oxygen, and the remainder titanium;
• or 6% aluminum, about 4% vanadium, about 0.25% iron, about 0.2% oxygen, and the remainder titanium.

A metal injection molded ammunition cartridge comprising:

• a metal injection molded mid case molded from a metal composition comprising a nose end connection extending toward a base end to form a portion of a propellant chamber;
• a primer recess adapted to accept a primer positioned in the base end;
• and
• a flash hole positioned in the primer recess to pass through the base end into the propellant chamber, wherein the metal injection molded ammunition cartridge consists of
• a) 2-16% Ni;
• 10-20% Cr;
• 0-5% Mo;
• 0-0.6% C;
• 0-6.0% Cu;
• 0-0.5% Nb+Ta;
• 0-4.0% Mn;
• 0-2.0% Si and the balance Fe;
• b) 2-6% Ni;
• 13.5-19.5% Cr;
• 0-0.10% C;
• 1-7.0% Cu;
• 0.05-0.65% Nb+Ta;
• 0-3.0% Mn;
• 0-3.0% Si and the balance Fe;
• c) 3-5% Ni;
• 15.5-17.5% Cr;
• 0-0.07% C;
• 3-5.0% Cu;
• 0.15-0.45% Nb+Ta;
• 0-1.0% Mn;
• 0-1.0% Si and the balance Fe;
• d) 10-14% Ni;
• 16-18% Cr;
• 2-3% Mo;
• 0-0.03% C;
• 0-2% Mn;
• 0-1% Si and the balance Fe;
• e) 12-14% Cr;
• 0.15-0.4% C;
• 0-1% Mn;
• 0-1% Si and the balance Fe;
• f) 16-18% Cr;
• 0-0.05% C;
• 0-1% Mn;
• 0-1% Si and the balance Fe;
• g) 3-12% aluminum, 2-8% vanadium, 0.1-0.75% iron, 0.1-0.5% oxygen, and the remainder titanium;
• or
• h) about 6% aluminum, about 4% vanadium, about 0.25% iron, about 0.2% oxygen, and the remainder titanium.